You read that right, monster-sized goldfish up to a foot and a half long are being pulled from Lake Tahoe in what officials are calling a case of aquarium dumping. The massive bright red and orange fish are feared to be steadily multiplying in the waters of Sierra Nevada after managing to survive after released into the wild by humans. Continue reading for the news report.

Christine Ngai, a researcher who frequents the lake hunting invasive species, notably the largemouth bass, says the numbers found are astonishing and potentially devastating to the lake’s ecosystem.